#container {
    min-height: 300px;
}

#canvasOutput,
#imageSrc {
    background: #ccc;
    min-width: 300px;
    min-height: 300px;
    display: block;
    float: left;
}

.chooseT {
    border: 1px ghostwhite;
    float: right;
    width: 100px;
    height: 40px;
    left: 55px;
    background-color: ghostwhite
}

.chooseR {
    border: 1px black;
    width: 100px;
    height: 40px;
    left: 55px;
    background-color: ghostwhite
}